Denso Corporation

Tetsumasa Kawaguchi

Toshio Hosokawa

Takekazu Terui

An object detecting apparatus for a vehicle has a light radiation unit, a reflection mirror, a polygon mirror, a light reception unit, all disposed in a case. The apparatus further has a position adjusting device for adjusting the reflection mirror to a first position to reflect the light toward the scanning mirror or to a second position not to reflect the light toward the scanning mirror, and a light conducting member for conducting the light passing through the reflection mirror to the reception unit. The light conducting member has one end positioned opposite the radiation unit with respect to the reflection mirror.

Object detecting apparatus having operation monitoring function

A casing is provided for a reflection measurement device emitting a scanning beam and receiving an echo beam caused by reflection of the scanning beam at an object, and detecting a distance to the object in response to the received echo beam. The casing has a window for conducting a beam, and a protective member being transparent to the beam and covering the window from an inside. A predetermined range through which the beam passes is provided in the window. An interval between a lower edge of the beam pass range and a lower edge of the window is greater than an interval between opposing edges of the beam pass range and the window which differ from the lower edges thereof.

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Kariya, Japan

Tetsumasa Kawaguchi